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Date: Fri, 4 Apr 2014 11:20:20 -0700
From: "Darrick J. Wong" <darrick.wong@...cle.com>
To: Markus <M4rkusXXL@....de>
Cc: linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: Dirty ext4 blocks system startup
On Fri, Apr 04, 2014 at 12:35:45PM +0200, Markus wrote:
> Hi!
>
> I have a dirty ext4 volume. The system just hangs at startup. After removing that volume from fstab the system starts.
>
> Mount and e2fsck just flood with "Invalid checksum recovering block 1152 in log" messages.
>
> (Mounting with ro,noload let me access most files.)
>
> I also tried the e2fsck from current git.
>
> debugfs just fails with "Block bitmap checksum does not match bitmap while reading block bitmap". (catastrophic mode does work)
>
> Three points:
> - e2fsck should not get into an endless loop, blocking the system.
> - mount should not get into an endless loop, blocking the system and flooding the system log.
> - At least e2fsck should fix the filesystem.
>
>
> Any help or hints?
Hmm, that's probably a bug in the journal replay code. :(
Can you send me the output of "e2image -r /dev/sdXX - | bzip2 > hd.e2i.bz2" if
it's not too huge? The exact error messages (if you can capture/photograph
them) would also be useful.
I'm guessing you have metadata_csum enabled...
PS: lkml.org is dead; I'm assuming the URL referenced the discussion "Ext4
Recovery: Invalid checksum recovering block # in log" but it's hard to tell
since there was no subject line provided with that URL.
--D
>
>
> Thanks,
> Markus
>
>
> PS: Original lkml-mail:
> https://lkml.org/lkml/2014/4/1/467
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